Inventor

SURMAN DAVID H

US51 patents

⚠️ This page may combine multiple inventors who share the name “SURMAN DAVID H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SURMAN DAVID H

IBM

Halting execution of duplexed commands

Method and system for managing data and users of data in a data processing system

Method, system and program products for managing changed data of castout classes

Method for identifying a system holding a `Reserve`

Method and apparatus for implementing a shared message queue using a list structure

Method for coordinating executing programs in a data processing system

Method and system for reconfiguring a storage structure within a structure processing facility

Method, system and program products for modifying coupling facility structures

Directed allocation of coupling facility structures

Controlling the state of duplexing of coupling facility structures

Controlling the state of duplexing of coupling facility structures

Managing the state of coupling facility structures, detecting by one or more systems coupled to the coupling facility, the suspended state of the duplexed command, detecting being independent of message exchange

System-managed duplexing of coupling facility structures

Synchronizing processing of commands invoked against duplexed coupling facility structures

Restarting a coupling facility command using a token from another coupling facility command

Method, system and program products for copying coupling facility structures

Method, system and program products for copying coupling facility cache structures

Method, system and program products for browsing fully-associative collections of items

Apparatus and accompanying method for use in a sysplex environment for performing escalated isolation of a sysplex component in the event of a failure

Interdicting I/O and messaging operations from sending central processing complex to other central processing complexes and to I/O device in multi-system complex

Dynamically determining whether to process requests synchronously or asynchronously

Method and apparatus for processing a list structure

System-managed rebuild of coupling facility structures

Controlling the state of duplexing of coupling facility structures

Controlling the state of duplexing of coupling facility structures

Providing at least one peer connection between a plurality of coupling facilities to couple the plurality of coupling facilities

Method, system and program products for copying coupling facility lock structures

Method and apparatus for dynamically controlling the execution of a request handler on a processor resource

Managing errors detected in processing of commands

Making and using functional exploitation information in performing software or firmware updates

Controlling the state of duplexing of coupling facility structures

Method and system for providing a message-time-ordering facility

Managing connections to coupling facility structures

Computing system including enhanced application performance based on last completed operation sequence value

Increasing processing capacity of virtual machines

Managing processing associated with coupling facility Structures

Method, system and program products for copying coupling facility list structures

Computing system including enhanced application performance based on last completed operation sequence value

Controlling the state of duplexing of coupling facility structures

Migrating and retrieving queued data in byte-addressable storage

Migrating and retrieving queued data in byte-addressable storage

Method and apparatus for resolving contention in a computer system

Method and apparatus for resolving contention at the hypervisor level

Method and apparatus for resolving contention in a computer system

Method and apparatus for resolving contention at the hypervisor level

Conditional write processing for a cache structure of a coupling facility

Computing system including independent coupling facilities maintaining equivalency based on sequence values

Computing system including PLSO command to maintain equivalency between independent coupling facilities

ELKO DAVID A

Controlling the state of duplexing of coupling facility structures

AHMAD RIAZ

Conditional write processing for a cache structure of a coupling facility